SCOTCH PLAINS, NJ -- School busses lined the parking lot of Union Catholic High School this morning, but not because classes were about to start. Students, parents, alumni, and supporters gathered to celebrate this year's grand marshal, Union Catholic principal Sister Percylee Hart. is Scotch Plainsprofit-Fanwood’s only free daily paper. Sign up for our daily eNews and follow us on Facebook and twitter @SPF_TAP. Download the free TAPinto App for iPhone or Android.